/*
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
 * copy, modify, and distribute this software in source code or binary form for use
 * in connection with the web services and APIs provided by Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use of
 * this software is subject to the Facebook Developer Principles and Policies
 * [http://developers.facebook.com/policy/]. This copyright notice shall be
 * included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.example.switchuser;

import com.facebook.AccessToken;
import com.facebook.login.LoginBehavior;

public class Slot {
  private UserInfo userInfo;
  private final UserInfoCache userInfoCache;
  private LoginBehavior loginBehavior;

  public Slot(int slotNumber, LoginBehavior loginBehavior) {
    this.loginBehavior = loginBehavior;
    this.userInfoCache = new UserInfoCache(slotNumber);
    this.userInfo = userInfoCache.get();
  }

  public LoginBehavior getLoginBehavior() {
    return loginBehavior;
  }

  public String getUserName() {
    return (userInfo != null) ? userInfo.getUserName() : null;
  }

  public AccessToken getAccessToken() {
    return (userInfo != null) ? userInfo.getAccessToken() : null;
  }

  public String getUserId() {
    return (userInfo != null) ? userInfo.getAccessToken().getUserId() : null;
  }

  public UserInfo getUserInfo() {
    return userInfo;
  }

  public void setUserInfo(UserInfo user) {
    userInfo = user;
    if (user == null) {
      return;
    }

    userInfoCache.put(user);
  }

  public void clear() {
    userInfo = null;
    userInfoCache.clear();
  }
}
